Acousto-Optic Tunable Filters For High Resolution Spectral Analysis

I. C. Chang; P. Katzka

doi:10.1117/12.959939

21 July 1981 Acousto-Optic Tunable Filters For High Resolution Spectral Analysis

I. C. Chang, P. Katzka

Proceedings Volume 0268, Imaging Spectroscopy I; (1981) https://doi.org/10.1117/12.959939
Event: 1981 Los Angeles Technical Symposium, 1980, Los Angeles, United States

Abstract

The acousto-optic tunable filter is a solid state, electronically tunable device suitable for rapid-scanning spectrometer applications. The spectral resolution of the AOTF spectrometer is limited by the size of the acousto-optic crystal. This paper discusses techniques to increase the resolution of an AUTF spectrometer witnout losing its other inherent advantages, particularly its large optical tnroughput. Utilizing an AUTF in optical cascade with a scanning Fabry-Perot interferometer, resolvable bandwidth of 0.8/A was obtained at 3.39 microns.

Citation Download Citation

I. C. Chang and P. Katzka "Acousto-Optic Tunable Filters For High Resolution Spectral Analysis", Proc. SPIE 0268, Imaging Spectroscopy I, (21 July 1981); https://doi.org/10.1117/12.959939

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